Two-Dimensional Materials and Metamaterials in Photonics and Optoelectronics (Second Edition)

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: 26 September 2025 | Viewed by 111

Special Issue Editors


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Guest Editor
1. College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China
2. Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha, China
Interests: 2D materials; nanophotonics; plasmonics; metamaterials and metasurfaces; photonic integrated circuits
Special Issues, Collections and Topics in MDPI journals

E-Mail
Guest Editor
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China
Interests: nano-photonics; 2D materials; metamaterials
Special Issues, Collections and Topics in MDPI journals

E-Mail
Guest Editor
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China
Interests: nano-photonics; 2D materials; metamaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Compared to traditional materials, two-dimensional (2D) materials exhibit many unique and fascinating properties. Quantum confinement perpendicular to the 2D plane leads to new electronic and optical properties, such as relativistic carrier transport, indirect to direct bandgap transitions, and valley-polarized light coupling. The extremely small thickness allows for significant control of carrier density through electrostatic gating. The naturally passivated surfaces and weak interlayer bonding make it easy to integrate 2D materials with different types of systems. In this way, 2D materials have received widespread attention in optoelectronic and photonic applications. However, the atomic thickness of 2D materials results in poor light absorption performance, presenting a significant challenge for practical applications. To address this bottleneck issue, considerable efforts have been made to combine 2D materials with metamaterials and metasurfaces to enhance light aborption efficiency. Metamaterial-based waveguides, microcavities, photonic crystals, and plasmonic structures have been demonstrated to significantly enhance the light absorption of 2D materials.

This present Special Issue of Nanomaterials is aimed at presenting the current state-of-the-art in application of 2D materials combined with metamaterials in photonics and optoelectronics, which includes the design and fabrication of materials and devices, experimental characterization and computational modelling studies, as well as exploitation in devices and practical applications.

Prof. Dr. Zhihong Zhu
Prof. Dr. Chucai Guo
Dr. Qingwei Zhou
Guest Editors

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Keywords

  • two-dimensional materials
  • metamaterials
  • metasurfaces
  • optoelectronics
  • photonics

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Published Papers (1 paper)

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Research

9 pages, 2542 KiB  
Article
Metasurface Design for Dual-Mode Sensors Based on Broken Symmetry Structure
by Rundong Yang, Minjing Dai, Yihao Zhao and Xiangfu Wang
Nanomaterials 2025, 15(9), 687; https://doi.org/10.3390/nano15090687 (registering DOI) - 30 Apr 2025
Abstract
Dual-mode sensors are currently facing difficulties in achieving independent sensing of parameters as well as low sensitivity. In this paper, we propose a dual-mode sensor using the finite element method (FEM) based on a coupled silver–PDMS–gold (SPG) cavity. We coupled a square ring [...] Read more.
Dual-mode sensors are currently facing difficulties in achieving independent sensing of parameters as well as low sensitivity. In this paper, we propose a dual-mode sensor using the finite element method (FEM) based on a coupled silver–PDMS–gold (SPG) cavity. We coupled a square ring resonant cavity with a double-ring resonant cavity structure, thus identifying a unique resonant cavity structure. The square ring resonator is made of silver and a double-ring resonant cavity filled with PDMS. Our proposed SPG cavity can independently achieve temperature and refractive index sensing. The SPG cavity enables us to obtain the highest biosensing sensitivity of about 1030 nm/RIU and the highest temperature sensitivity of about 216 pm/K. In addition, SPG cavities have excellent tolerances for geometric parameters. Our results provide new methodologies for metasurface design for dual-mode sensing. Full article
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